TRUCK DRIVING STUDY GUIDE 2025/2026 QUESTIONS
AND ANSWERS RATED A+
✔✔Which of these is the most important thing to remember about emergency braking?
A. Disconnecting the steering axle brakes will help keep your vehicle in a straight line
during emergency braking.
B. If the wheels are skidding, you cannot control the vehicle.
C. Never do it without downshifting first. - ✔✔If the wheels are skidding, you cannot
control the vehicle.
✔✔To correct a drive-wheel braking skid, you should:
A. Stop braking.
B. Stop braking, turn quickly and counter steer.
C. Increase braking. - ✔✔Stop braking, turn quickly and counter steer.
✔✔Which of these is a sign of tire failure?
A. Steering that feels heavy, A loud "Bang".
B. Vibration.
C. Both A and B are correct. - ✔✔Both A and B are correct.
✔✔What is the proper way to hold a steering wheel?
A. With both hands close together, near the top of the wheel.
B. With both hands close together, near the bottom of the wheel.
C. With both hands on opposite sides of the wheel. - ✔✔With both hands on opposite
sides of the wheel.
✔✔You are driving a 40 foot vehicle at 35mph. The road is dry and visibility is good.
What is the least amount of space that you should keep in front of your vehicle to be
safe?
A. 3 seconds.
B. 4 seconds.
C. 5 seconds. - ✔✔4 seconds.
✔✔Which of these is a good thing to do when driving at night?
A. Keep your speed slow enough that you can stop within the range of your headlights.
B. Look directly at oncoming head lights only briefly.
C. Keep your instrument lights bright. - ✔✔Keep your speed slow enough that you can
stop within the range of your headlights.
,✔✔Which of these statements about driving in areas with strong winds is true?
A. You should drive alongside other vehicles to help break up the wind.
B. The higher your vehicle the less trouble you will have with the wind.
C. Winds are especially a problem when coming out of tunnels. - ✔✔Winds are
especially a problem when coming out of tunnels.
✔✔What should you do before you drive if you are drowsy?
A. Drink some coffee.
B. Take some caffeine pills.
C. Get some sleep before you drive. - ✔✔Get some sleep before you drive.
✔✔You do not have a hazardous materials endorsement on your commercial driver's
license. You can drive a vehicle hauling hazardous materials when:
A. The shipment will not cross state lines.
B. The GWR is 26,001 lbs. Or less.
C. The vehicle does not require placards. - ✔✔The vehicle does not require placards.
✔✔How do you test hydraulic brakes for leaks?
A. Pump the brake pedal three times, then apply firm pressure to the pedal and hold for
five seconds. The pedal should not move.
B. Drive 20 mph and slam on the brakes.
C. Drive slowly and pump the brake pedal. Make sure it doesn't hit the floor. - ✔✔Pump
the brake pedal three times, then apply firm pressure to the pedal and hold for five
seconds. The pedal should not move.
✔✔The road you are driving on becomes very slippery due to glare ice. Which of these
is a good thing to do in such a situation.
A. Stop driving as soon as you can safely do so.
B. Downshift to stop.
C. Apply the brakes often to keep the linings dry. - ✔✔Stop driving as soon as you can
safely do so.
✔✔Retarders: (Jake Brakes)
A. Can only be used when going down a hill.
B. Can cause the drive wheels to skid when they have poor traction.
C. Cannot be used on interstate highways. - ✔✔Can cause the drive wheels to skid
when they have poor traction.
, ✔✔You are driving a new truck with a manual transmission. What gear will you probably
have to use to take a long, step downhill grade?
A. The same gear you would use to climb the hill.
B. A lower gear than you would use to climb the hill.
C. A higher gear than you wold use to climb the hill. - ✔✔A lower gear than you would
use to climb the hill.
✔✔Which of these is not part of the pre-trip inspection of the engine compartment?
A. Valve clearance.
B. Condition of hoses.
C. Worn electrical wiring insulation - ✔✔Valve clearance.
✔✔You can see a marking on a vehicle ahead of you. The marking is a red triangle with
an orange center. What does the marking mean?
A. It may be a slow moving vehicle.
B. The vehicle is hauling hazardous materials.
C. It is being driven by a student driver. - ✔✔It may be a slow moving vehicle.
✔✔High beams should be:
A. Used when it is safe and legal to do so.
B. Turned on when an oncoming driver does not dim his/her lights.
C. Dimmed at the time that you get within 100 ft of another vehicle. - ✔✔Used when it is
safe and legal to do so.
✔✔What are two special conditions where you should downshift?
A. When starting off fast and speed shifting.
B. Before starting down a hill and before entering a curve.
C. Before starting up a hill and before entering a curve. - ✔✔Before starting down a hill
and before entering a curve.
✔✔An enroute inspection should include checking for:
A. Tire overheating, Brake overheating.
B. Cargo securement.
C. All of the above. - ✔✔All of the above.
✔✔Which of these statements about backing a heavy vehicle is true?
A. You should avoid backing whenever you can.
AND ANSWERS RATED A+
✔✔Which of these is the most important thing to remember about emergency braking?
A. Disconnecting the steering axle brakes will help keep your vehicle in a straight line
during emergency braking.
B. If the wheels are skidding, you cannot control the vehicle.
C. Never do it without downshifting first. - ✔✔If the wheels are skidding, you cannot
control the vehicle.
✔✔To correct a drive-wheel braking skid, you should:
A. Stop braking.
B. Stop braking, turn quickly and counter steer.
C. Increase braking. - ✔✔Stop braking, turn quickly and counter steer.
✔✔Which of these is a sign of tire failure?
A. Steering that feels heavy, A loud "Bang".
B. Vibration.
C. Both A and B are correct. - ✔✔Both A and B are correct.
✔✔What is the proper way to hold a steering wheel?
A. With both hands close together, near the top of the wheel.
B. With both hands close together, near the bottom of the wheel.
C. With both hands on opposite sides of the wheel. - ✔✔With both hands on opposite
sides of the wheel.
✔✔You are driving a 40 foot vehicle at 35mph. The road is dry and visibility is good.
What is the least amount of space that you should keep in front of your vehicle to be
safe?
A. 3 seconds.
B. 4 seconds.
C. 5 seconds. - ✔✔4 seconds.
✔✔Which of these is a good thing to do when driving at night?
A. Keep your speed slow enough that you can stop within the range of your headlights.
B. Look directly at oncoming head lights only briefly.
C. Keep your instrument lights bright. - ✔✔Keep your speed slow enough that you can
stop within the range of your headlights.
,✔✔Which of these statements about driving in areas with strong winds is true?
A. You should drive alongside other vehicles to help break up the wind.
B. The higher your vehicle the less trouble you will have with the wind.
C. Winds are especially a problem when coming out of tunnels. - ✔✔Winds are
especially a problem when coming out of tunnels.
✔✔What should you do before you drive if you are drowsy?
A. Drink some coffee.
B. Take some caffeine pills.
C. Get some sleep before you drive. - ✔✔Get some sleep before you drive.
✔✔You do not have a hazardous materials endorsement on your commercial driver's
license. You can drive a vehicle hauling hazardous materials when:
A. The shipment will not cross state lines.
B. The GWR is 26,001 lbs. Or less.
C. The vehicle does not require placards. - ✔✔The vehicle does not require placards.
✔✔How do you test hydraulic brakes for leaks?
A. Pump the brake pedal three times, then apply firm pressure to the pedal and hold for
five seconds. The pedal should not move.
B. Drive 20 mph and slam on the brakes.
C. Drive slowly and pump the brake pedal. Make sure it doesn't hit the floor. - ✔✔Pump
the brake pedal three times, then apply firm pressure to the pedal and hold for five
seconds. The pedal should not move.
✔✔The road you are driving on becomes very slippery due to glare ice. Which of these
is a good thing to do in such a situation.
A. Stop driving as soon as you can safely do so.
B. Downshift to stop.
C. Apply the brakes often to keep the linings dry. - ✔✔Stop driving as soon as you can
safely do so.
✔✔Retarders: (Jake Brakes)
A. Can only be used when going down a hill.
B. Can cause the drive wheels to skid when they have poor traction.
C. Cannot be used on interstate highways. - ✔✔Can cause the drive wheels to skid
when they have poor traction.
, ✔✔You are driving a new truck with a manual transmission. What gear will you probably
have to use to take a long, step downhill grade?
A. The same gear you would use to climb the hill.
B. A lower gear than you would use to climb the hill.
C. A higher gear than you wold use to climb the hill. - ✔✔A lower gear than you would
use to climb the hill.
✔✔Which of these is not part of the pre-trip inspection of the engine compartment?
A. Valve clearance.
B. Condition of hoses.
C. Worn electrical wiring insulation - ✔✔Valve clearance.
✔✔You can see a marking on a vehicle ahead of you. The marking is a red triangle with
an orange center. What does the marking mean?
A. It may be a slow moving vehicle.
B. The vehicle is hauling hazardous materials.
C. It is being driven by a student driver. - ✔✔It may be a slow moving vehicle.
✔✔High beams should be:
A. Used when it is safe and legal to do so.
B. Turned on when an oncoming driver does not dim his/her lights.
C. Dimmed at the time that you get within 100 ft of another vehicle. - ✔✔Used when it is
safe and legal to do so.
✔✔What are two special conditions where you should downshift?
A. When starting off fast and speed shifting.
B. Before starting down a hill and before entering a curve.
C. Before starting up a hill and before entering a curve. - ✔✔Before starting down a hill
and before entering a curve.
✔✔An enroute inspection should include checking for:
A. Tire overheating, Brake overheating.
B. Cargo securement.
C. All of the above. - ✔✔All of the above.
✔✔Which of these statements about backing a heavy vehicle is true?
A. You should avoid backing whenever you can.